add reqwest

reqwest/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "reqwest"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "0.2.6", features = ["full"] }
+reqwest = "0.10.4"
+

reqwest/src/main.rs

@@ -0,0 +1,32 @@
+use std::env;
+use std::collections::HashMap;
+
+#[tokio::main]
+pub async fn main() {
+    let a = match env::args().nth(1) {
+        Some(a) => a, None => {
+            println!("[ERROR] No args");
+            return;
+        },
+    };
+    let mut map = HashMap::new();
+    map.insert("1", test001);
+
+    let f = match map.get(a.as_str()) {
+        Some(f) => f, None => {
+            println!("{}", &format!("[ERROR] Cannot find {}", a));
+            return;
+        },
+    };
+
+    match f().await {
+        Ok(_) => println!("[OK] Call fn ok: {}", a),
+        Err(err) => println!("[ERROR] Call fn error: {}, message: {}", a, err),
+    }
+}
+
+async fn test001() -> Result<(), Box<dyn std::error::Error>> {
+    let ip = reqwest::get("https://hatter.ink/ip/ip.jsonp").await?.text().await?;
+    println!("{}", ip);
+    Ok(())
+}